/*
 * Copyright (c) 2010 Frederic Daoud
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.fdaoud.rayures.util;

import java.util.HashMap;
import java.util.Map;

import net.sf.json.JSONObject;

/**
 * JSON utilities.
 *
 * @author Frederic Daoud
 */
public final class JsonUtil {

  /**
   * Returns a JSON representation of the given object, with a top-level map that has the given key
   * with the object as a value.
   *
   * <p>
   * For example, {@code toJson("person", person)} might give the following result:
   * </p>
   *
   * <pre>
   * {"person": {"firstName": "Freddy", "lastName": "Daoud", "kids": ["Lily", "Ruby"]}}
   * </pre>
   *
   * @param key the key for the root of the JSON map.
   * @param object the object to convert to JSON, which will become the value of the root map.
   */
  public static String toJson(String key, Object object) {
    Map map = new HashMap();
    map.put(key, object);
    return JSONObject.fromObject(map).toString();
  }
  
}
